Finding the Fourth Proportional to 75,495.24, 113,257.44 and 40,474.08
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Solution
The fourth proportional to 75,495.24, 113,257.44 and 40,474.08 is: 60,718.94
Step by Step Solution
- Step 1: Write the proportion equation
75,495.24 : 113,257.44 = 40,474.08 : x - Step 2: Convert to fraction form
75,495.24/113,257.44 = 40,474.08/x - Step 3: Cross multiply
75,495.24x = 113,257.44 × 40,474.08 - Step 4: Simplify right side
75,495.24x = 4,583,990,687.16 - Step 5: Solve for x
x = 4,583,990,687.16/75,495.24 - Step 6: Final answer
x = 60,718.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.